Halozyme Therapeutics ($HALO) Insider Trading & Smart Money Activity
Halozyme Therapeutics, Inc. ($HALO) has 8 insider trades, 1 congress trade, 4 13F position changes and 2 analyst ratings on file. In the last 12 months on the open market, no insider bought and 3 insiders sold ($7.73M), net -$7.73M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 3
- Net insider $ (12 mo)
- -$7.73M
- Congress trades (12 mo)
- 1
- 13F moves on file
- 4
- Analyst ratings on file
- 2
HALO insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 1 · $547.80K | 0 / 0 | 4 / 0 |
| Q3 2026 | 0 | 0 | 0 / 1 | 0 / 0 |
| Q4 2026 | 0 | 4 · $7.18M | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All HALO insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Analyst | TD Cowen | Reiterates to Buy | PT $130 | Read | |||||||
| Insider | Torley HelenPRESIDENT AND CEO | Sell (Open-market sale) 10b5-1 | 20K sh | $2.19M | +10.6% | — | |||||
| Analyst | HC Wainwright | Reiterates to Buy | PT $130 | +10.6% | — | ||||||
| Insider | Torley HelenPRESIDENT AND CEO | Sell (Open-market sale) 10b5-1 | 20K sh | $2.23M | +5.4% | — | |||||
| Insider | Torley HelenPRESIDENT AND CEO | Sell (Open-market sale) 10b5-1 | 20K sh | $2.19M | -0.1% | — | |||||
| Insider | Posard Matthew L.Director | Sell (Open-market sale) 10b5-1 | 5.23K sh | $567.66K | +2.7% | — | |||||
| Congress | Gilbert Ray Cisneros Jr. | Sale | $1,001 - $15,000 | -1.6% | Read | ||||||
| Insider | Mahesh Krishnan | Sell (Open-market sale) 10b5-1 | 7.30K sh | $547.80K | +4.7% | +7.9% | Read | ||||
| Insider | Mahesh Krishnan | Buy (Option exercise) | 7.30K sh | $280.91K | +4.7% | +7.9% | Read | ||||
| Insider | Snyder Mark HowardSVP, CHIEF LEGAL OFFICER | Sell (Option exercise) | 5.03K sh | -0.7% | +9.5% | — | |||||
| Insider | Snyder Mark HowardSVP, CHIEF LEGAL OFFICER | Buy (Option exercise) | 5.03K sh | -0.7% | +9.5% | — | |||||
| 13F | Gw&K Investment Management | Added | +139.23K sh | $109.10M | -1.5% | -0.8% | — | ||||
| 13F | William Blair Investment Management | Added | +683.02K sh | $197.71M | +4.7% | +10.3% | Read | ||||
| 13F | Royal London Asset Management | Added | +239.28K sh | $126.06M | +0.3% | +6.5% | Read | ||||
| 13F | Royal London Asset Management | Added | +239.28K sh | $113.91M | +0.3% | +6.5% | — |
1W / 1M / 6M = how HALO moved from the trade or filing date.
Insider trading in HALO: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Torley Helen | PRESIDENT AND CEO | 3 | -$6.61M | Oct 8, 2026 | |
| Posard Matthew L. | Director | 1 | -$567.66K | Oct 1, 2026 | |
| Mahesh Krishnan | 2 | -$547.80K | Jun 29, 2026 | ||
| Snyder Mark Howard | SVP, CHIEF LEGAL OFFICER | 2 | — | Jun 12, 2026 |
Members of Congress trading HALO
Institutions moving HALO (13F)
Analyst ratings on HALO
| Date | Firm | Action | Rating | Price target | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|
| TD Cowen | Reiterates | Buy | $105 → $130 | Read | ||||
| HC Wainwright | Reiterates | Buy | $115 → $130 | +10.6% | — |
Frequently asked questions
Are HALO insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 3 insiders made 5 open-market sales worth $7.73M, a net -$7.73M.
What is the latest insider trade in HALO?
Torley Helen, PRESIDENT AND CEO filed a sell (open-market sale) of 20K sh worth $2.19M on Oct 8, 2026.
Which members of Congress traded HALO?
1 disclosed trade by Gilbert Ray Cisneros Jr.. The latest was on Sep 29, 2026.
Which institutions changed their HALO positions?
Recent 13F filers moving the stock include Royal London Asset Management, Gw&K Investment Management and William Blair Investment Management.
Other biotechnology stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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